        TIMEOUT 15
        "" ATE0
        ABORT BUSY
        ABORT DELAYED
        ABORT "NO ANSWER"
        ABORT "NO DIALTONE"
        ABORT VOICE
        ABORT ERROR
        ABORT RINGING
        OK AT+CMGF=1
	OK AT+CREG=2
	OK AT+CREG?
	OK AT+CREG=0
	CLR_ABORT
	ABORT OK

